Tanel is full professor of law and has been contributing to the research of European law and policies. He created a research group of law & tech that received significant funding from EU Commission (H2020, Jean Monnet Centre of Excellence), NATO, Folke Bernadotte Academy, USAID etc. Many of these grants are focused on developing legal digital skills. Tanel has been contributing to Springer, Ashgate, Kluwer, Oxford and Cambridge publishers and is a foreign member of National Academy of Legal Sciences of Ukraine. Articles include topics on EU legal policies, constitutional law, digital single market, automatization, legal impediments to new technologies, augmented and artificial intelligence in legal practice.